Orión was the designation of a sounding rocket family of Argentina,[1] which was launched between 1965 and 1971 at CELPA (El Chamical), CELPA (Mar Chiquita), Tartagal and Wallops Island.

[2] Developed by the Instituto de Investigaciones Aeronauticas y Espaciales (IIAE),[3] Orión marked Argentina's entry into the club of space-faring nations, with a flight on August 13, 1966 that reached an apogee of 114 km surpassing the Kármán line.

[4] The first version Orión-1 was flown twice in 1965 and 1966 from CELPA (El Chamical),[2] in order to test the engines and technologies.

[5] Solid fuel mass was 55-kilogram (121 lb) with a burn time of 12 seconds.

[6] Table of Orión-1 launches:[4] In November 1966, three tests of the updated Orión-2 took place from Wallops Island.